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Day 7 · Branch first; count within each branchYear 11 Specialist Maths · T1 W1–2 · Day 7 lesson

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Year 11 / Specialist Mathematics / Term 1 / Weeks 01 02

Part of the full two-week lesson sequence. Check the pack guide and taught point before teaching.

Open for this lesson: Pack guide · Practice cases · Daily routes · Worked swaps · Fresh learner checks · Aids and text routes.

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Teacher copy: This page may include teaching prompts or answer keys. Answer keys in this public library can be viewed by anyone. Give learners a clean prompt, use checks as formative evidence, and change a case locally when prior access matters.

Learner prompts

Target: combine addition across exclusive branches with multiplication inside each branch. Prepare: F, branch tree and method chooser.

  1. Launch · 2 min. Ask whether F chooses visual and audio together. It chooses exactly one route.
  2. Model · 4 min. Visual route 2 themes×3 layouts=6; audio route 2 narrations×2 paces=4; exclusive routes sum to 6+4=10.
  3. Guided reading · 5 min. Enumerate visual leaves V11–V23 and audio leaves A11–A22. All ten are unique. Explain that 2×3×2×2=24 would require a label with all four attributes, which F does not.
  4. Practice route · 7 min. Choose Day 7 route; draw or say branch counts, total and two decision words: AND inside, OR across.
  5. Audit · 4 min. Repair 6×4=24; it counts a visual-audio pair, not one selected route.
  6. Exit · 3 min. “What is F's number of complete choices?” Expected: 10, assuming route categories stay exclusive.

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